Highest air pollution Nantes, today and tomorrow
Today (1 July): Air quality in Nantes is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (O3: 21.5/100).
Tomorrow (2 July 2026): Air quality in Nantes is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 23.1/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Nantes' air quality benefits from Atlantic westerlies and the Loire estuary providing consistent maritime ventilation across this western French city, with generally moderate readings for a major European metropolitan area. Vehicle traffic on the ring road is the primary local source, while the surrounding Loire-Atlantique agricultural landscape contributes ammonia and secondary particulate emissions and the Airbus manufacturing complex at Saint-Nazaire adds industrial emissions to the broader estuary corridor.
Today - 1 July | Pollution peaks at 00:00
AQI:
Fair
21.5/100
PM2.5 (fine particles):
Good
5.1/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Good
3.6/100
O3 (ozone):
Fair
21.5/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
3.0/100
Levels show the poorest local air quality during the day
Tomorrow - 2 July | Pollution peaks at 13:00
AQI:
Fair
23.1/100
PM2.5 (fine particles):
Good
3.9/100
PM10 (coarse particles):
Good
1.4/100
NO2 (nitrogen dioxide):
Good
3.1/100
O3 (ozone):
Fair
23.1/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
2.4/100
Pollen forecast in Nantes
View pollen forecastFrequently Asked Questions
Is air quality bad in Nantes right now?
On 1 July 2026, overall air quality in Nantes is fair. AQI is the main air quality indicator at 21.5/100. Pollution peaks around 12:00 AM (O3: 21.5/100).
Will air quality be worse tomorrow in Nantes?
On 2 July 2026, air quality conditions in Nantes will be similar to today, with AQI forecast at fair at 23.1/100. Pollution peaks around 1:00 PM (O3: 23.1/100).
Are air quality levels in Nantes based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 1 July 2026 at 01:04 CET (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team